10 BIOSes for MSI Z97I AC (MS-7851)

The Z97I AC / H97I AC Series motherboards are based on Intel Z97/H97 chipset for optimal system efficiency. Designed to fit the advanced Intel LGA1150 processor, the Z97I AC / H97I AC Series motherboards deliver a high performance and professional desktop platform solution.

BIOS Type AMI File Size: 6402 KB
Version 4.10 BIOS Date 2016-02-17
File Name 7851v4A.zip Downloaded 16×
  • Improved memory compatibility
  • Support PSC B-die DDR3 Memory
  • Fix that system is not able to boot from legacy DVD ROM when RAID is activated
  • Updated CPU microcode
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4.10 from 2016-02-17
BIOS Type AMI File Size: 6407 KB
Version 4.9 BIOS Date 2015-08-31
File Name 7851v49.zip Downloaded
BIOS Type AMI File Size: 6399 KB
Version 4.8 BIOS Date 2015-06-02
File Name 7851v48.zip Downloaded
  • Updated CPU micro code.
  • Update VBIOS & GOP Driver.
  • Improved memory compatibility.
  • Updated BIOS code to support 5th-Generation Intel Core Processors
  • ***Support 5th-Generation Intel CPU requires VGA driver version 10.18.14.4206 or later
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4.8 from 2015-06-02
BIOS Type AMI File Size: 6263 KB
Version 4.7 BIOS Date 2014-11-25
File Name 7851v47.zip Downloaded
BIOS Type AMI File Size: 6247 KB
Version 4.5 BIOS Date 2014-09-19
File Name 7851v45.zip Downloaded
  • Removed 1024MB option in "Integrated Graphics Share Memory" of BIOS
  • Adjusted CPU fan down time back to 0.3 sec
  • Improved USB keyboard compatibility
  • Improved memory compatibility
  • Enhanced MFlash function
  • Improved some BIOS items can not be changed after clear CMOS
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4.5 from 2014-09-19
BIOS Type AMI File Size: 6243 KB
Version 4.4 BIOS Date 2014-07-23
File Name 7851v44.zip Downloaded
  • Improved VGA compatibility
  • Improved PS/2 keyboard compatibility
  • Enhanced EIST function when use non turbo boost CPU
  • Enhanced CPU G3258 compatibility
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4.4 from 2014-07-23
BIOS Type AMI File Size: 6214 KB
Version 4.3 BIOS Date 2014-06-27
File Name 7851v43.zip Downloaded
  • Improved M-Flash USB pen drive compatibility
  • Updated Intel RC code
  • Improved VGA compatibility
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4.3 from 2014-06-27
BIOS Type AMI File Size: 6227 KB
Version 4.2 BIOS Date 2014-06-13
File Name 7851v42.zip Downloaded
  • Improved memory compatibility
  • Adjust OC Genie Setting for Haswell-Refresh K and Pentinum K processors
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4.2 from 2014-06-13
BIOS Type AMI File Size: 6226 KB
Version 4.1 BIOS Date 2014-05-25
File Name 7851v41.zip Downloaded
  • Enhanced OC Call Back function
  • Updated BIOS Code Base
  • Updated MSI GESII Module
  • Improved USB compatibility
  • Improved S4 resume function
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4.1 from 2014-05-25
BIOS Type AMI File Size: 6180 KB
Version 4.0 BIOS Date 2014-04-08
File Name 7851v40.zip Downloaded 20×
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Latest BIOS by date

Name Version Date
Z97S SLI PLUS
1.10
2016-02-23
H97I AC
5.9
2016-02-19
Z97I AC
4.10
2016-02-17
Z97I AC
4.9
2015-08-31
H97I AC
5.8
2015-08-28

Latest added BIOSes

Name Version Date
P67A-GD80 (B3)
11.2
2013-01-11
P67A-GD80 (B3)
11.1
2012-11-09
P67A-GD80 (B3)
11.0
2011-10-12
Z97I AC
4.10
2016-02-17
Z97I AC
4.9
2015-08-31
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